Resposta :
Sendo a= -4+3i, b= 5-6i e c= 4-3i, calcule o valor de a.c+b
a.c =
(-4+3i) . (4-3i) =
-16 + 12i +12i - 9i² =
-16 + 24i + 9 =
-7 + 24i
(-7 + 24i) + (5-6i) =
-2 + 18i
a.c =
(-4+3i) . (4-3i) =
-16 + 12i +12i - 9i² =
-16 + 24i + 9 =
-7 + 24i
(-7 + 24i) + (5-6i) =
-2 + 18i